A. Korenova et al., REACTION OF 5-SUBSTITUTED 4-OXO-4H-PYRAN-2-CARBALDEHYDES WITH ACTIVE METHYLENE-COMPOUNDS, Polish Journal of Chemistry, 69(3), 1995, pp. 361-366
Preparation of some condensation products of 5-substituted kojic acid
aldehydes is described. The IR, UV, H-1 NMR, C-13 NMR and the prelimin
ary screening of synthetized derivatives are presented.